EP0486902A3 - Semiconductor memory device - Google Patents
Semiconductor memory device Download PDFInfo
- Publication number
- EP0486902A3 EP0486902A3 EP19910119077 EP91119077A EP0486902A3 EP 0486902 A3 EP0486902 A3 EP 0486902A3 EP 19910119077 EP19910119077 EP 19910119077 EP 91119077 A EP91119077 A EP 91119077A EP 0486902 A3 EP0486902 A3 EP 0486902A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- memory device
- semiconductor memory
- semiconductor
- memory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/22—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using ferroelectric elements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dram (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US616676 | 1990-11-21 | ||
US07/616,676 US5031143A (en) | 1990-11-21 | 1990-11-21 | Preamplifier for ferroelectric memory device sense amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0486902A2 EP0486902A2 (en) | 1992-05-27 |
EP0486902A3 true EP0486902A3 (en) | 1993-02-03 |
Family
ID=24470516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19910119077 Withdrawn EP0486902A3 (en) | 1990-11-21 | 1991-11-08 | Semiconductor memory device |
Country Status (4)
Country | Link |
---|---|
US (1) | US5031143A (en) |
EP (1) | EP0486902A3 (en) |
JP (1) | JPH04285788A (en) |
KR (1) | KR100230609B1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5262982A (en) * | 1991-07-18 | 1993-11-16 | National Semiconductor Corporation | Nondestructive reading of a ferroelectric capacitor |
JPH0677434A (en) * | 1992-08-27 | 1994-03-18 | Hitachi Ltd | Semiconductor memory device |
US5372859A (en) * | 1992-10-20 | 1994-12-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Enhanced fatigue and retention in ferroelectric thin film memory capacitors by post-top electrode anneal treatment |
US5432731A (en) * | 1993-03-08 | 1995-07-11 | Motorola, Inc. | Ferroelectric memory cell and method of sensing and writing the polarization state thereof |
US5430671A (en) * | 1993-04-09 | 1995-07-04 | Matsushita Electric Industrial Co., Ltd. | Semiconductor memory device |
US5381364A (en) | 1993-06-24 | 1995-01-10 | Ramtron International Corporation | Ferroelectric-based RAM sensing scheme including bit-line capacitance isolation |
US5373463A (en) * | 1993-07-06 | 1994-12-13 | Motorola Inc. | Ferroelectric nonvolatile random access memory having drive line segments |
JP2748873B2 (en) * | 1995-01-04 | 1998-05-13 | 日本電気株式会社 | Ferroelectric memory device and operation control method thereof |
JP3186485B2 (en) * | 1995-01-04 | 2001-07-11 | 日本電気株式会社 | Ferroelectric memory device and operation control method thereof |
US5579257A (en) * | 1995-08-31 | 1996-11-26 | Motorola, Inc. | Method for reading and restoring data in a data storage element |
EP0767464B1 (en) * | 1995-09-08 | 2003-11-19 | Fujitsu Limited | Ferroelectric memory and method of reading out data from the ferroelectric memory |
US5592411A (en) * | 1995-11-02 | 1997-01-07 | Motorola, Inc. | Non-volatile register and method for accessing data therein |
US5724283A (en) * | 1996-06-14 | 1998-03-03 | Motorola, Inc. | Data storage element and method for restoring data |
JP3741852B2 (en) * | 1998-01-22 | 2006-02-01 | ローム株式会社 | Data storage device |
KR100301822B1 (en) * | 1999-07-21 | 2001-11-01 | 김영환 | Sensing amp of nonvolatile ferroelectric memory device |
JP2004526268A (en) * | 2000-09-25 | 2004-08-26 | シメトリックス・コーポレーション | Ferroelectric memory and operation method thereof |
US6563753B1 (en) * | 2001-11-16 | 2003-05-13 | Agilent Technologies, Inc. | Sense amplifier with independent write-back capability for ferroelectric random-access memories |
US6459609B1 (en) * | 2001-12-13 | 2002-10-01 | Ramtron International Corporation | Self referencing 1T/1C ferroelectric random access memory |
US7554867B2 (en) * | 2006-01-27 | 2009-06-30 | Texas Instruments Incorporated | Capacitor boost sensing |
US10446214B1 (en) * | 2018-08-13 | 2019-10-15 | Micron Technology, Inc. | Sense amplifier with split capacitors |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0025234A1 (en) * | 1979-08-09 | 1981-03-18 | PATELHOLD Patentverwertungs- & Elektro-Holding AG | Low frequency power amplifier and its use in an amplitude modulated transmitter |
US4321661A (en) * | 1980-12-23 | 1982-03-23 | Gte Laboratories Incorporated | Apparatus for charging a capacitor |
US4858193A (en) * | 1987-06-23 | 1989-08-15 | Mitsubishi Denki Kabushiki Kaisha | Preamplification method and apparatus for dram sense amplifiers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4918654A (en) * | 1987-07-02 | 1990-04-17 | Ramtron Corporation | SRAM with programmable capacitance divider |
US4853893A (en) * | 1987-07-02 | 1989-08-01 | Ramtron Corporation | Data storage device and method of using a ferroelectric capacitance divider |
US4910708A (en) * | 1987-07-02 | 1990-03-20 | Ramtron Corporation | Dram with programmable capacitance divider |
-
1990
- 1990-11-21 US US07/616,676 patent/US5031143A/en not_active Expired - Lifetime
-
1991
- 1991-11-08 EP EP19910119077 patent/EP0486902A3/en not_active Withdrawn
- 1991-11-16 JP JP3300885A patent/JPH04285788A/en active Pending
- 1991-11-20 KR KR1019910020748A patent/KR100230609B1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0025234A1 (en) * | 1979-08-09 | 1981-03-18 | PATELHOLD Patentverwertungs- & Elektro-Holding AG | Low frequency power amplifier and its use in an amplitude modulated transmitter |
US4321661A (en) * | 1980-12-23 | 1982-03-23 | Gte Laboratories Incorporated | Apparatus for charging a capacitor |
US4858193A (en) * | 1987-06-23 | 1989-08-15 | Mitsubishi Denki Kabushiki Kaisha | Preamplification method and apparatus for dram sense amplifiers |
Non-Patent Citations (1)
Title |
---|
IBM TECHNICAL DISCLOSURE BULLETIN. vol. 19, no. 2, July 1976, NEW YORK US pages 710 - 713 SCHUSTER 'SENSE AMPLIFIER' * |
Also Published As
Publication number | Publication date |
---|---|
JPH04285788A (en) | 1992-10-09 |
EP0486902A2 (en) | 1992-05-27 |
KR100230609B1 (en) | 1999-11-15 |
KR920010640A (en) | 1992-06-26 |
US5031143A (en) | 1991-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE DE FR GB IT LU NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): BE DE FR GB IT LU NL |
|
17P | Request for examination filed |
Effective date: 19930605 |
|
17Q | First examination report despatched |
Effective date: 19950209 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19950620 |